{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x85142fdee67581c5555a9f6e8e911ba40ae3f105f23553ff5b91f8c263b65d70",
    "signature": "0xb00daebbc6f2b1b64dfc95c899544739afbba8e0362e74ea294f5165d7d1cbd820a155a6feb059dd499c1e6bfc37d1f82479d1c1fd3a297375496d14f73d5c911c",
    "signer": "0x2ACda02e37Db2DC08f82aEFAB268F0610974bb3c",
    "userId": "416239376"
  }
}